OFDER COLEOPTERA 



191 



the shadowy outline of the feeding larva may be dimly seen, 

 when held to the light. The flat, scale-like egg persists upon 

 the surface when the mine is old, a shining speck that is 

 easily seen when so held that the light is reflected from it. 

 A large number of rearings of larvae of this species were 

 made by Miss Ruth St. John, at Ithaca, during the winter 



Fig. 59. Leaf of red oak with mine of Brachys ovata. 



of 1924-1925, and she determined, contrary to published 

 statements, that the winter is passed in the larval stage 

 within the mines in the fallen leaves; that the pupae are 

 formed in the latter part of the month of May (on May 13th 

 the earliest was obtained out of doors) ; and that the pupal 



